差模干扰指的是干扰电压存在于信号线及其回线（一般称为信号地线）之间，干扰电流回路则是在导线与参考物体构成的回路中流动。
差模干扰(Differential-mode Interference)：差模噪声是在任何两个载流导体之间传输产生的不希望有的电位差，差模噪声属于对称性干扰，同时其频率低，幅值小，故造成的干扰...
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导线对导线的差模干扰 Cable to Cable Differential-Mode Coupling
差模干扰电压 [电子] differential-mode disturbance voltage
共模及差模干扰 CM and DM interference
差模(DM)干扰 The differential mode interference
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从分析传导测试原理入手，建立了针对差模干扰信号的一阶滤波器的电路等效模型；
By the way of analyzing the transmit test principle, the model of the first-order filter in allusion to DM interface signal are established;
诊断开关电源传导干扰的主要性质，分别测量共模干扰和差模干扰，是正确设计电源EMI滤波器的第一步。
It is difficult to design and build an effective power line EMI filter for switched mode power supply without distinguishing the differential or common mode component from conducted noise.
共模干扰和差模干扰是传导emi的两种传导形式，本文从产生源、传播路径方面分别对共模干扰和差模干扰进行了论述。
CM and DM are the two conducted form of the conducted EMI, this paper discuss the CM and DM in the noises.
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